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<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>健身-广告页面</title>
</head>

<body>
    <!-- 头部 -->
    <header>源码健身</header>
    <!-- 主体部分 -->
    <main>
        <h1>HOLD ON</h1>
        <div>
            <span id="time">5s</span> |
            <b id="jump">跳过</b>
        </div>
    </main>
</body>

</html>